About: Acoustic wave focusing in complex media using Nonlinear Time Reversal coded signal processing

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An Entity of Type : http://linked.opendata.cz/ontology/domain/vavai/Vysledek, within Data Space : linked.opendata.cz associated with source document(s)

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	Recent ten years have seen considerable development (both in numerical and experimental aspects) of optimized signal processing methods for improving Non Destructive Testing (NDT) methods derived from Nonlinear Elastic Wave Spectroscopy (NEWS). The classical NEWS methods are supplemented and improved by new excitations having the intrinsic property of enlarging frequency analysis bandwidth and time domain scales. This is the case of TR-NEWS, recognized as a useful tool for microcracks detection of various complex samples, but also for nonlinear scatterers localization. Associate TR-NEWS experiments have been validated by the large number of simulation results supporting procedure reliability. In this contribution, we concentrated on signal processing and statistical analysis of a NEWS based microdamage imaging technique, which is believed to be a good candidate for sensitive imaging of nonlinear scattering zones. Recent ten years have seen considerable development (both in numerical and experimental aspects) of optimized signal processing methods for improving Non Destructive Testing (NDT) methods derived from Nonlinear Elastic Wave Spectroscopy (NEWS). The classical NEWS methods are supplemented and improved by new excitations having the intrinsic property of enlarging frequency analysis bandwidth and time domain scales. This is the case of TR-NEWS, recognized as a useful tool for microcracks detection of various complex samples, but also for nonlinear scatterers localization. Associate TR-NEWS experiments have been validated by the large number of simulation results supporting procedure reliability. In this contribution, we concentrated on signal processing and statistical analysis of a NEWS based microdamage imaging technique, which is believed to be a good candidate for sensitive imaging of nonlinear scattering zones. (en)
Title	Acoustic wave focusing in complex media using Nonlinear Time Reversal coded signal processing Acoustic wave focusing in complex media using Nonlinear Time Reversal coded signal processing (en)
skos:prefLabel	Acoustic wave focusing in complex media using Nonlinear Time Reversal coded signal processing Acoustic wave focusing in complex media using Nonlinear Time Reversal coded signal processing (en)
skos:notation	RIV/61388998:_____/14:00438674!RIV15-AV0-61388998
http://linked.open...avai/riv/aktivita	I
http://linked.open...avai/riv/aktivity	I
http://linked.open...vai/riv/dodaniDat	2015
http://linked.open...aciTvurceVysledku	Farová, Zuzana Převorovský, Zdeněk
http://linked.open.../riv/druhVysledku	O - Ostatní výsledky nezařaditelné do žádného z výše uvedených druhů výsledku
http://linked.open...iv/duvernostUdaju	S - Úplné a pravdivé údaje nepodléhající ochraně podle zvláštních právních předpisů
http://linked.open...titaPredkladatele	Ústav termomechaniky AV ČR, v. v. i.
http://linked.open...dnocenehoVysledku	1491
http://linked.open...ai/riv/idVysledku	RIV/61388998:_____/14:00438674
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	ultrasonic testing (UT); signal processing; TR-NEWS; Nonlinear Time Reversal; NDT; nonlinear acoustics (en)
http://linked.open.../riv/klicoveSlovo	NDT signal processing TR-NEWS ultrasonic testing (UT) Nonlinear Time Reversal nonlinear acoustics
http://linked.open...ontrolniKodProRIV	[7346E5FFEBD9]
http://linked.open...in/vavai/riv/obor	BI
http://linked.open...ichTvurcuVysledku	2 (xsd:int)
http://linked.open...cetTvurcuVysledku	6 (xsd:int)
http://linked.open...UplatneniVysledku	2014
http://linked.open...iv/tvurceVysledku	Převorovský, Zdeněk Dos Santos, S. Kůs, V. Dvořáková, Zuzana Lints, M. Salupere, A.

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